YOU SAID:
Did you know sarah ate a rat?
INTO JAPANESE
サラがネズミを食べたって知ってた?
BACK INTO ENGLISH
Did you know Sarah ate a mouse?
INTO JAPANESE
サラがネズミを食べたことを知っていましたか?
BACK INTO ENGLISH
Did you know Sarah ate a mouse?
That didn't even make that much sense in English.